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Finnair flights from London to Detroit Metropolitan Wayne County Airport (LON - DTW)

LON — DTW
23 Apr — 30 Apr1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from London to Detroit on Finnair typically fly into Detroit Metropolitan Wayne County and depart from London Heathrow. Select your dates above for pricing.

Finnair flights from London to Detroit in 2026

Find detailed information about Finnair flights from London to Detroit. Explore the options provided by Finnair to plan your journey from London to Detroit. Data last updated 24 March 2026.

Return from

£949

Popular in

August

Cheapest in

February

Average price (all airlines)

£646
Finnair
  • Finnair
  • 11/6-18/6
  • 3 total stops
  • 30h 50m total
  • London to Detroit
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Highest demand for flights from London to Detroit Metropolitan Wayne County; 8% potential price increase.
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Best time to find cheap flights from London to Detroit Metropolitan Wayne County; 1% potential price drop.
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Average price for all London to Detroit Metropolitan Wayne County flights (one-way and round-trip).
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  • How do most travelers feel about Finnair?

    The general consensus from 1,374 Cheapflights users is that Finnair is a 7.7/10. Select your travel dates above for updated prices on flights from London to Detroit Metropolitan Wayne County Airport (LON-DTW).

Find Finnair flight deals from London to Detroit

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Cheapest Finnair flights from London to Detroit
Explore the most affordable Finnair flight options available from London to Detroit. Find the lowest fares with prices last updated on 24 March 2026.

Mon 13/412:15
LHR
-
DTW
1 stop16h 10m
Finnair
Mon 27/417:32
DTW
-
LHR
2 stops35h 43m
Finnair
Deal found 24/3£3,343

Rainfall in Detroit by month

Plan your trip to Detroit by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Detroit Metropolitan Wayne County Airport ranges from 46.0 - 79.0 inches per month. August is typically the wettest month, when rainfall can reach 79.0 mm. January is typically the driest time to visit Detroit Metropolitan Wayne County Airport when rainfall is around 46.0 mm.

Temperature in Detroit by month

Plan your trip to Detroit by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Detroit Metropolitan Wayne County Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -4.0 C).

Best time to book a flight from London to Detroit

Have a flexible travel schedule? Discover the best time to fly to Detroit from London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Browse thousands of different options on Cheapflights for your next trip

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Fly from London to Detroit on another airline

Consider alternative airlines that service the Detroit area. Flight routes are based on user searches made on Cheapflights and were last updated on 24 March 2026.
Virgin Atlantic flights from London to Detroit Metropolitan Wayne County
KLM flights from London to Detroit Metropolitan Wayne County

See what others are saying about Finnair

Read reviews and see what other travellers are saying about their experiences with Finnair. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Finnair for your next flight. Reviews last updated 24 March 2026.
Finnair
7.7
Good
1,374 reviews
Check prices
Overview

Comfort

7.5

Boarding

7.7

Entertainment

6.9

Food

6.7

Crew

8.2

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